(19)

(11)

EP 2 684 317 A2

(12)

(88) Date of publication A3: 29.11.2012 (43) Date of publication: 15.01.2014 Bulletin 2014/03 (21) Application number: 12716599.1 (22) Date of filing: 08.03.2012

(51) International Patent Classification (IPC):  H04L 12/40(2006.01) (86) International application number: PCT/IB2012/000531 (87) International publication number: WO 2012/123816 (20.09.2012 Gazette 2012/38)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 11.03.2011 US 201161451640 P (71) Applicant: Intertechnique 78373 Plaisir Cedex (FR)	(72) Inventors: REYNAUD, Frederic F-78760 Jouars Ponchartrain (FR) PACI, Frederic F-78180 Montigny Le Bretonneux (FR) (74) Representative: Cabinet Plasseraud  52, rue de la Victoire 75440 Paris Cedex 09 75440 Paris Cedex 09 (FR)